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808271399 = 1324782671
BaseRepresentation
bin110000001011010…
…011111000100111
32002022220102220202
4300023103320213
53123404141044
6212112021115
726013123245
oct6013237047
92068812822
10808271399
113852802a1
121a683179b
13cb5baa00
14794bd795
154ae5cc4e
hex302d3e27

808271399 has 6 divisors (see below), whose sum is σ = 875228976. Its totient is φ = 746096520.

The previous prime is 808271393. The next prime is 808271407. The reversal of 808271399 is 993172808.

808271399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 808271399 - 212 = 808267303 is a prime.

It is a super-3 number, since 3×8082713993 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808271393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2391167 + ... + 2391504.

It is an arithmetic number, because the mean of its divisors is an integer number (145871496).

Almost surely, 2808271399 is an apocalyptic number.

808271399 is a deficient number, since it is larger than the sum of its proper divisors (66957577).

808271399 is a wasteful number, since it uses less digits than its factorization.

808271399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782697 (or 4782684 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 808271399 is about 28430.1142980467. The cubic root of 808271399 is about 931.5061727026.

The spelling of 808271399 in words is "eight hundred eight million, two hundred seventy-one thousand, three hundred ninety-nine".

Divisors: 1 13 169 4782671 62174723 808271399